CN109444933A - Positioning device and method based on big-dipper satellite - Google Patents
Positioning device and method based on big-dipper satellite Download PDFInfo
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- CN109444933A CN109444933A CN201811423103.3A CN201811423103A CN109444933A CN 109444933 A CN109444933 A CN 109444933A CN 201811423103 A CN201811423103 A CN 201811423103A CN 109444933 A CN109444933 A CN 109444933A
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- beidou
- communication module
- smart card
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- dipper satellite
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/421—Determining position by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system
- G01S19/425—Determining position by combining or switching between position solutions or signals derived from different satellite radio beacon positioning systems; by combining or switching between position solutions or signals derived from different modes of operation in a single system by combining or switching between signals derived from different satellite radio beacon positioning systems
Abstract
The invention discloses positioning devices and method based on big-dipper satellite, are related to big-dipper satellite field.The device includes: microcontroller, Beidou communication module and the civilian smart card of at least two Beidous, each civilian smart card of Beidou is connect with microcontroller respectively, each civilian smart card of Beidou is also connect with Beidou communication module respectively, microcontroller is connect with Beidou communication module, it is connected to or turns off with the civilian smart card of any Beidou for controlling Beidou communication module, Beidou communication module is used to carry out the Beidou of connection civilian smart card card reading and certification, and in certification by carrying out data exchange with big-dipper satellite afterwards.Positioning device and method provided by the invention solve the problems, such as that the existing communication frequency of civilian Beidou satellite communication is controlled, improve the communication frequency of positioning device.
Description
Technical field
The present invention relates to big-dipper satellite fields, more particularly to positioning device and method based on big-dipper satellite.
Background technique
Big-dipper satellite is the Global Satellite Navigation System that China voluntarily develops, using the side of point-to-point bidirectional data transfers
Formula has many advantages, such as wide coverage, does not have communication blind district, information encryption transmission safety, strong applicability, operation simple, wide
It is general to apply in the measurement of China's items foundation engineering and information communication, have very in fields such as national defence, the people's livelihood and emergency management and rescue
High universal and promotional value.
However, Beidou satellite communication has that communication frequency is controlled, commercial communication frequency is not less than 60 seconds, i.e., same
The struggle against communication cycle of civilian smart card of Zhangbei County is at least 60 seconds, and the reacquisition time of Beidou communication module is not more than 2 seconds, once
The deadline is communicated no more than 3 seconds, that is to say, that Beidou communication module is in the free time in about 55 seconds in a communication cycle
State, idleness are up to 91.7%, this significantly limits the communication capacity of civilian big-dipper satellite.
Summary of the invention
The technical problem to be solved by the present invention is to, provide a kind of to determine based on big-dipper satellite in view of the deficiencies of the prior art
Position device, a kind of positioning system based on big-dipper satellite and a kind of localization method based on big-dipper satellite.
The technical scheme to solve the above technical problems is that
A kind of positioning device based on big-dipper satellite, comprising: microcontroller, Beidou communication module and at least two Beidou people
With smart card, each civilian smart card of Beidou is connect with the microcontroller respectively, each civilian smart card of Beidou
It is also connect respectively with the Beidou communication module, the microcontroller is connect with the Beidou communication module, described for controlling
Beidou communication module is connected to or turns off with any civilian smart card of Beidou, and the Beidou communication module is used for the north to connection
The civilian smart card that struggles against carries out card reading and certification, and in certification by carrying out data exchange with big-dipper satellite afterwards.
The beneficial effects of the present invention are: positioning device provided by the invention, passes through the civilian smart card of at least two Beidous point
Other rotation is connected to Beidou communication module, carries out data exchange with big-dipper satellite, solves existing for civilian Beidou satellite communication
The controlled problem of communication frequency can pass through control when Beidou communication module is in idle condition in a communication cycle
Device, which switches the civilian smart card of other Beidous, to carry out using the civilian intelligence of Beidou that Beidou communication module can be made to be connected at upper one
Card during idle time, timely uses the civilian smart card of another Beidou and is communicated, improve the communication frequency of positioning device.
Other kind of technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of positioning system based on big-dipper satellite, comprising: big-dipper satellite and positioning as described in the above technical scheme
Device, the positioning device are used for after carrying out data exchange by the civilian smart card of any Beidou and the big-dipper satellite, cut
It changes the civilian smart card of other Beidous and carries out data exchange with the big-dipper satellite again.
Positioning device is communicated by the switching civilian smart card of Beidou with big-dipper satellite, can be in the civilian smart card of Beidou
Communication cycle limitation within the scope of, effectively improve the efficiency and capacity of communication, and improve the utilization rate of Beidou communication module,
To preferably adapt to modern communications to effective and compatibility requirement, the adaptability of Beidou satellite communication is improved.
Other kind of technical solution that the present invention solves above-mentioned technical problem is as follows:
A kind of localization method based on big-dipper satellite is defended using positioning device as described in the above technical scheme with Beidou
Star carries out data exchange, and the localization method includes:
S1, microcontroller control Beidou communication module are connected to the civilian smart card of any Beidou；
S2, Beidou communication module carry out card reading and certification to the civilian smart card of the Beidou of connection；
S3, after certification passes through, Beidou communication module and big-dipper satellite carry out data exchange；
S4, after the completion of data exchange, the microcontroller control Beidou communication module and the civilian smart card of other Beidous connect
It is logical, repeat step S2 and S3.
The advantages of additional aspect of the invention, will be set forth in part in the description, and will partially become from the following description
It obtains obviously, or practice is recognized through the invention.
Detailed description of the invention
Fig. 1 is a kind of structural framing schematic diagram that the embodiment of the positioning device based on big-dipper satellite provides of the present invention；
Fig. 2 a is a kind of fortune for traditional positioning device that the embodiment of the positioning device based on big-dipper satellite provides of the present invention
Dynamic track schematic diagram；
Fig. 2 b is a kind of positioning device of the present invention that the embodiment of the positioning device based on big-dipper satellite provides of the present invention
Movement locus schematic diagram；
Fig. 3 is a kind of structural framing that the other embodiments of the positioning device based on big-dipper satellite provide signal of the present invention
Figure；
Fig. 4 is a kind of communication connection schematic diagram that the embodiment of the positioning system based on big-dipper satellite provides of the present invention；
Fig. 5 is a kind of communication process schematic diagram that the embodiment of the localization method based on big-dipper satellite provides of the present invention；
Fig. 6 is a kind of communication process that the other embodiments of the localization method based on big-dipper satellite provide signal of the present invention
Figure.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and illustrated embodiment is served only for explaining the present invention,
It is not intended to limit the scope of the present invention.
Positioning device disclosed in the present application is based on big-dipper satellite and is positioned, and the communication function application structure of big-dipper satellite is non-
It is often simple, it is made of Beidou data sending terminal, Beidou data receiver and control computer.Beidou data sending terminal and receiving end
Between carried out data transmission by big-dipper satellite, Beidou data receiver and control computer between use three line serial communications.
The traditional solution of the positioning system of Beidou communication function is relied on mainly to use a Beidou communication transmitting terminal
Location data is transmitted to Beidou communication receiving end by satellite link, location data is transmitted to data processing clothes again by receiving end
Business end, data processing service end parse data, then re-send to geography information and show front end, complete position data on map
Displaying.
Beidou communication transmitting terminal mostly uses greatly the civilian smart card of Beidou as communication user identification card, but this cartoon letters
There is very big limitation on period, the general Beidou civilian smart card minimal communications period is 60 seconds, significantly limits Beidou communication
Ability.Based on this, the present invention provides following embodiment:
As shown in Figure 1, for a kind of structural framing that the embodiment of the positioning device 1 based on big-dipper satellite 2 provides of the present invention
Schematic diagram, the positioning device 1 include: microcontroller 11, Beidou communication module 12 and the civilian smart card 13 of at least two Beidous, often
A civilian smart card 13 of Beidou is connect with microcontroller 11 respectively, each civilian smart card 13 of Beidou also respectively with Beidou communication mould
Block 12 connects, and microcontroller 11 is connect with Beidou communication module 12, civilian for controlling Beidou communication module 12 and any Beidou
The connection of smart card 13 or shutdown, Beidou communication module 12 are used to carry out card reading and certification to the civilian smart card of the Beidou of connection 13,
And in certification by carrying out data exchange with big-dipper satellite 2 afterwards.
It should be understood that the type model of microcontroller 11 is various, and in the application, the function that microcontroller 11 is realized is mainly
The power supply of control Beidou communication module 12 and the civilian smart card 13 of Beidou is switched on and off, and those skilled in the art can basis
Actual demand selection has the microcontroller 11 of corresponding function, realizes to Beidou communication module 12 and the civilian smart card 13 of Beidou
Control, this is no longer going to repeat them.
Beidou communication module 12 is Beidou RDSS single mode module, in traditional positioning device 1, Beidou communication module 12 and Beidou
It is one-one relationship between civilian smart card 13, and uses more card Integrated designs in the application, by a Beidou communication module 12
More card single-pass sytems, the civilian 13 time-sharing multiplex Beidou communication mould of smart card of multiple Beidous are formed with the civilian smart card 13 of multiple Beidous
Block 12, and control by microcontroller the switching of the civilian smart card 13 of multiple Beidous.
It is returned it should be noted that big-dipper satellite 2 after the data for receiving the transmission of Beidou communication module 12, can generate one
It holds information and returns to Beidou communication module 12, acknowledgement information is returned to microcontroller 11, microcontroller by Beidou communication module 12
11 after receiving acknowledgement information, controls Beidou communication module 12 and civilian 13 power remove of smart card of the Beidou being currently connected to,
The power supply opening for controlling Beidou communication module 12 Yu the civilian smart card 13 of other Beidous again makes Beidou communication module 12 and other north
The civilian smart card 13 that struggles against is connected to.
For example, can be ranked up to the civilian smart card of Beidou 13 when the civilian smart card 13 of Beidou is multiple, make micro-control
Device 11 processed is sequentially communicated Beidou communication module 12 and each civilian intelligence in order to be blocked.
Preferably, it can fifty-fifty be distributed every Zhangbei County's bucket civilian smart card according to the latent period of the civilian smart card 13 of Beidou
13 call duration time.
For example, it is assumed that the civilian smart card 13 of 2 Zhangbei County bucket is shared, then due to civilian 13 minimal communications of smart card of general Beidou
Period is 60 seconds, then can be connected to Beidou communication mould again within the 30th second after the completion of first Zhangbei County struggles against the civilian communication of smart card 13
Struggle against civilian smart card 13 for block 12 and second Zhangbei County, may be implemented to carry out some positioning uses every 30 seconds in this way, improves positioning
Accuracy.
In another example, it is assumed that share the civilian smart card 13 of 6 Zhangbei County bucket, the call duration time of civilian smart card 13 then every Zhangbei County struggles against
Interval can be 10 seconds, and since the 1st second, first Zhangbei County struggled against after civilian 13 use of smart card, disconnect and Beidou communication module 12
Communication connection, at the 10th second, second Zhangbei County of switching civilian smart card 13 that struggles against is connected to Beidou communication module 12, and so on,
In this way within 60 seconds minimal communications periods, it is able to carry out the data exchange of 6 positioning, the precision of positioning can be further increased.
Preferably, microcontroller 11 is also used to read when the civilian smart card 13 of Beidou of 12 pairs of Beidou communication module connections
After card and authentification failure, the power supply of the Beidou communication module 12 and the civilian smart card 13 of Beidou is turned off, disconnects Beidou communication module
Signal connection between 12 and the civilian smart card 13 of Beidou.
By being disconnected in time after card reading and authentification failure between Beidou communication module 12 and the civilian smart card 13 of Beidou
Signal connection, can be improved the safety of communication.
Preferably, before Beidou communication module 12 and big-dipper satellite 2 carry out data exchange, microcontroller 11 is also used to read
The status information of Beidou communication module 12 is taken, whether confirmation Beidou communication satellite is in normal communication state, if it is not, then shutdown
The power supply of the Beidou communication module 12 and the civilian smart card 13 of Beidou disconnects Beidou communication module 12 and the civilian smart card 13 of Beidou
Between signal connection.
By judging the status information of Beidou communication module 12 before carrying out data exchange, can prevent from positioning
There is position error caused by mistake.
As shown in Figure 2 a, by taking aerodone as an example, for the illustrative fortune positioned by traditional positioning device 1
Dynamic track schematic diagram.As can be seen that there is apparent broken line in the track positioned to aerodone from Fig. 2 a, these broken lines are
Because aerodone can not record detailed motion profile point, only position by big-dipper satellite 2 during spiraling rising or turning
The sampled point of the traditional interval the 60s acquisition of device 1, quantity is seldom, and Front End is caused to adopt the processing mode of two neighboring point
The mode connected with straight line is formed the case where major part is all broken line, and actual conditions are the real motions of each section of broken line
Track is all one section of irregular camber line, so can not correctly restore process of entirely spiraling, data serious distortion at this time.
And the positioning device 1 of the application can be seen that from Fig. 2 b and pass through by increasing the civilian smart card 13 of multiple Beidous
Increase the civilian smart card 13 of multiple Beidous, positioning is carried out in turn, the sampling dot frequency of anchor point, data record can be significantly improved
The timeliness of cycle time, data is obviously improved, hence it is evident that the shape of track is improved, closer real motion track,
More benefits are also brought along to data analysis.
Positioning device 1 provided in this embodiment distinguishes rotation by the civilian smart card 13 of at least two Beidous and Beidou is logical
Believe that module 12 is connected to, carry out data exchange with big-dipper satellite 2, solve civilian big-dipper satellite 2 communicate existing communication frequency by
The problem of control, can switch it by controller when Beidou communication module 12 is in idle condition in a communication cycle
The civilian smart card 13 of his Beidou carries out using the civilian smart card 13 of Beidou that Beidou communication module 12 can be made to be connected at upper one
During idle time, it timely uses the civilian smart card 13 of another Beidou to be communicated, improves the communication frequency of positioning device 1.
Optionally, in some embodiments, as shown in figure 3, microcontroller 11 includes: navigator fix chip 111, sensor
112 and central processing unit 113, central processing unit 113 respectively with navigator fix chip 111, sensor 112, Beidou communication module
12 and the civilian smart card 13 of each Beidou connect, for obtaining communication data by navigator fix chip 111 and sensor 112,
It is sent to big-dipper satellite 2 by Beidou communication module 12, and the receipt that big-dipper satellite 2 returns is received by Beidou communication module 12
Information handles acknowledgement information.
It should be understood that communication data is the data for communication, it may include the data such as timestamp, identification code.Specifically, in
Central processor 113 obtains valid data by navigator fix chip 111 and sensor 112, and forms communication data.
Optionally, in some embodiments, central processing unit 113 is also used to control Beidou communication module 12 to big-dipper satellite
2 send the time of communication data.
Optionally, in some embodiments, microcontroller 11 is specifically used for control Beidou communication module 12 and any Beidou
Civilian smart card 13 is connected to, and after the civilian smart card 13 of Beidou is communicated with the completion of big-dipper satellite 2, turns off the civilian smart card of Beidou
13 and Beidou communication module 12 power supply, control Beidou communication module 12 be connected to the civilian smart card 13 of other Beidous.
It should be understood that after Beidou communication module 12 is connected to the civilian smart card 13 of other Beidous, it is also desirable to execute to connection
The civilian smart card 13 of Beidou certification and card reading process, and the deterministic process of the communications status to Beidou communication module 12.
It is appreciated that in some embodiments, positioning device 1 may include as some or all of in the various embodiments described above
Structure.
As shown in figure 4, showing for a kind of communication connection that the embodiment of the positioning system based on big-dipper satellite provides of the present invention
It is intended to, which includes: the positioning device in big-dipper satellite and such as the various embodiments described above, and positioning device is used for by appointing
After the civilian smart card of one Beidou and big-dipper satellite carry out data exchange, switch the civilian smart card of other Beidous again with big-dipper satellite
Carry out data exchange.
Positioning device is communicated by the switching civilian smart card of Beidou with big-dipper satellite, can be in the civilian smart card of Beidou
Communication cycle limitation within the scope of, effectively improve the efficiency and capacity of communication, and improve the utilization rate of Beidou communication module,
To preferably adapt to modern communications to effective and compatibility requirement, the adaptability of Beidou satellite communication is improved.
It is appreciated that in some embodiments, positioning device may include as some or all of in the various embodiments described above
Structure.
As shown in figure 5, showing for a kind of communication process that the embodiment of the localization method based on big-dipper satellite provides of the present invention
It is intended to, which uses such as the positioning device and big-dipper satellite progress data exchange in the various embodiments described above, localization method
Include:
S1, microcontroller control Beidou communication module are connected to the civilian smart card of any Beidou.
S2, Beidou communication module carry out card reading and certification to the civilian smart card of the Beidou of connection.
If certification is identified or can not be identified, microcontroller turns off Beidou communication module and the civilian smart card of the Beidou
Power supply disconnects communication connection；If be identified by, microcontroller obtains the communications status of Beidou communication module, and is sentenced
Disconnected, if communications status is abnormal, microcontroller turns off the power supply of Beidou communication module and the civilian smart card of the Beidou, disconnects
Communication connection；If communications status is normal, communication data is sent to Beidou communication module, for Beidou communication module and north
The satellite that struggles against carries out data exchange.
S3, after certification passes through, Beidou communication module and big-dipper satellite carry out data exchange.
S4, after the completion of data exchange, microcontroller control Beidou communication module is connected to the civilian smart card of other Beidous, is weighed
Multiple step S2 and S3.
Below with reference to Fig. 6, other possible embodiments are illustrated.
Optionally, in some embodiments, microcontroller includes: navigator fix chip, sensor and central processing unit, step
Rapid S3 is specifically included:
S31, after certification passes through, central processing unit sends the communication data obtained by navigator fix chip and sensor
Give Beidou communication module；
Communication data is sent to big-dipper satellite by S32, Beidou communication module, and receives the receipt letter of big-dipper satellite return
Breath；
S33, microcontroller judge whether communication data sends success according to acknowledgement information, and according to judging result to receipt
Information is handled.
Optionally, in some embodiments, before step S32 further include:
Central processing unit controls the time that Beidou communication module sends communication data to big-dipper satellite.
Optionally, in some embodiments, step S4 is specifically included:
S41, after the completion of data exchange, microcontroller turns off the power supply of Beidou civilian smart card and Beidou communication module；
S42, microcontroller control Beidou communication module are connected to the civilian smart card of other Beidous, repeat step S2 and S3.
It is appreciated that in some embodiments, localization method may include as some or all of in the various embodiments described above
Step.
It should be noted that the present embodiment is embodiment of the method corresponding with above-mentioned each product embodiments, for this implementation
In example the explanation of each step and optional embodiment can with reference in above-mentioned each product embodiments pair it should be noted that no longer superfluous herein
It states.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into other systems, or some features can be ignored or not executed.
Unit may or may not be physically separated as illustrated by the separation member, shown as a unit
Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks
On unit.It can select some or all of unit therein according to the actual needs to realize the mesh of the embodiment of the present invention
's.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection scope asked.
Claims (9)
1. a kind of positioning device based on big-dipper satellite characterized by comprising microcontroller, Beidou communication module and at least
Two civilian smart cards of Beidou, each civilian smart card of Beidou are connect with the microcontroller respectively, each Beidou
Civilian smart card is also connect with the Beidou communication module respectively, and the microcontroller is connect with the Beidou communication module, is used
It is connected to or turns off with any civilian smart card of Beidou in controlling the Beidou communication module, the Beidou communication module is used for
Card reading and certification are carried out to the civilian smart card of the Beidou of connection, and in certification by carrying out data exchange with big-dipper satellite afterwards.
2. positioning device according to claim 1, which is characterized in that the microcontroller includes: navigator fix chip, passes
Sensor and central processing unit, the central processing unit respectively with the navigator fix chip, the sensor, the Beidou communication
Module is connected with each civilian smart card of Beidou, for obtaining communication by the navigator fix chip and the sensor
Data are sent to big-dipper satellite by the Beidou communication module, and receive the Beidou by the Beidou communication module and defend
The acknowledgement information that star returns, handles the acknowledgement information.
3. positioning device according to claim 2, which is characterized in that the central processing unit is also used to control the Beidou
Communication module sends the time of the communication data to the big-dipper satellite.
4. positioning device according to any one of claim 1 to 3, which is characterized in that the microcontroller is specifically used for
It controls the Beidou communication module to be connected to the civilian smart card of any Beidou, and works as the civilian smart card of the Beidou and big-dipper satellite
After completing communication, the power supply of the civilian smart card of the Beidou and the Beidou communication module is turned off, the Beidou communication mould is controlled
Block is connected to the civilian smart card of other Beidous.
5. a kind of positioning system based on big-dipper satellite characterized by comprising appoint in big-dipper satellite and such as Claims 1-4
Positioning device described in one, the positioning device are used to carry out by the civilian smart card of any Beidou and the big-dipper satellite
After data exchange, switches the civilian smart card of other Beidous and carry out data exchange with the big-dipper satellite again.
6. a kind of localization method based on big-dipper satellite, which is characterized in that using according to any one of claims 1 to 4
Positioning device and big-dipper satellite carry out data exchange, and the localization method includes:
S1, microcontroller control Beidou communication module are connected to the civilian smart card of any Beidou；
S2, Beidou communication module carry out card reading and certification to the civilian smart card of the Beidou of connection；
S3, after certification passes through, Beidou communication module and big-dipper satellite carry out data exchange；
S4, after the completion of data exchange, the microcontroller control Beidou communication module is connected to the civilian smart card of other Beidous, is weighed
Multiple step S2 and S3.
7. localization method according to claim 6, which is characterized in that the microcontroller includes: navigator fix chip, passes
Sensor and central processing unit, step S3 are specifically included:
S31, after certification passes through, the central processing unit will pass through the communication of the navigator fix chip and sensor acquisition
Data are sent to the Beidou communication module；
The communication data is sent to the big-dipper satellite by S32, the Beidou communication module, and is received the big-dipper satellite and returned
The acknowledgement information returned；
S33, the microcontroller judges whether the communication data sends success according to the acknowledgement information, and is tied according to judgement
Fruit handles the acknowledgement information.
8. localization method according to claim 7, which is characterized in that before step S32 further include:
S34, the central processing unit control the Beidou communication module to the big-dipper satellite send the communication data when
Between.
9. the localization method according to any one of claim 6 to 8, which is characterized in that step S4 is specifically included:
S41, after the completion of data exchange, the microcontroller turns off the civilian smart card of the Beidou and the Beidou communication module
Power supply；
S42, the microcontroller control Beidou communication module are connected to the civilian smart card of other Beidous, repeat step S2 and S3.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110418289A (en) * | 2019-07-24 | 2019-11-05 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of airborne positioning terminal of Beidou, Plane location and automatic warning system and aircraft |
| CN113038390A (en) * | 2019-12-25 | 2021-06-25 | 海鹰航空通用装备有限责任公司 | Communication method and device of Beidou short message terminal and Beidou short message terminal |
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